Refrigerants How they work in HVAC systems

In this video we will be learning how refrigerants work in HVAC systems such as refrigerators, air and water cooled chillers as well as split a/c units. The refrigerant removes heat from the building and transfers it into the ambient outside air to produce air conditioning.

An Introduction to Apache Arrow for R Users

Been learning about Apache Arrow for loading and processing extremely large datasets in R quickly without having to set up and use something like a PostgresSQL database. DMV vehicle file, you know what I'm thinking.